The DARC side of Munich

chris007 and andz

Ever wondered how these fancy bus and tram stop signs in public
transport get their data? Ever wondered why there are digital signals
roaming in the VHF range of your local radio stations?
Well, there is a chance that these two things are related to each other!
An ETSI standard for wireless infotainment forwarding and
teledistribution plus a proprietary system for public transport
displays combine to a playground where you can have serious fun!
Motivated by the preliminary studies by windytan, we had a deeper look
at the system deployed in Munich.
The result is a story about the pleasures of reverse engineering and
how easy it is to get knowledge about the signals all around you.

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